Artist Jan Kubicki carves in ice on a closed section of Zabkowska street, in Warsaw, Poland, Saturday, January 7, 2017, as the temperature is minus 10 degree Celsius (14 degree Fahrenheit). At least 10 people have died of the cold in Poland in the past days, according to officials. (Photo by Alik Keplicz/AP Photo)

A woman wears a mask as she walks past a construction site as smog continues to choke Beijing on Friday, January 6, 2017. The official Xinhua News Agency reported this week that the environmental ministry had given out punishments after finding that more than 500 construction sites and enterprises, including metallurgy, agricultural chemical and steel plants, and 10,000 vehicles had breached pollution response plans. (Photo by Ng Han Guan/AP Photo)

A Sri Lankan Buddhist monk and villagers argue with police officers during a protest outside the inauguration ceremony of an industrial zone in Mirijjawila village in Ambalantota, Sri Lanka, Saturday, January 7, 2017. Sri Lankan police used water cannons to try to break up violent clashes Saturday between government supporters and villagers marching against what they say is a plan to take over private land for an industrial zone in which China will have a major stake. The government has signed a framework agreement for a 99-year lease of the Hambantota port with a company in which China will have 80-percent ownership. Officials also plan to set up the nearby industrial zone where Chinese companies will be invited to set up factories. (Photo by Eranga Jayawardena/AP Photo)

Police clash with demonstrators during a protest against the launching of a Chinese industrial zone by China Merchants Port Holdings Company, in Mirijjawila, Sri Lanka January 7, 2017. (Photo by Reuters/Stringer)

A Sri Lankan protester hurls a stone at government supporters during a protest in Mirijjawila village in Ambalantota, Sri Lanka, Saturday, January 7, 2017. (Photo by Eranga Jayawardena/AP Photo)

A woman gets her pedicure done by a street nail technician at a street in Rio de Janeiro, Brazil, January 6, 2017. (Photo by Nacho Doce/Reuters)

A private security officer (L) escorts a man who is closing his store due to high levels of violence in the city of Manaus, following a prison escape incident, Brazil, January 6, 2017. (Photo by Michael Dantas/Reuters)

The body of a migrant is seen as other surviving migrants, who were on a boat which capsized on Wednesday, sit on a beach after police arrested them in Tripoli, Libya, January 4, 2017. (Photo by Reuters/Stringer)

A man dressed as one of the Three Wise Man takes a photo with his mobile phone before the start of the traditional Epiphany parade in Masaya, Nicaragua January 6, 2017. (Photo by Oswaldo Rivas/Reuters)

Taiwanese President Tsai Ing-wen (C) departs for her visit to allied nations in Latin America at Taoyuan International Airport, Taiwan January 7, 2017. (Photo by Tyrone Siu/Reuters)

A man prepares balloon before a ceremony at the headquarters of the Cambodian People's Party (CPP) to mark the 38th anniversary of the toppling of Pol Pot's Khmer Rouge regime in Phnom Penh, January 7, 2017. (Photo by Samrang Pring/Reuters)

President of the Cambodian People's Party (CPP), Prime Minister Hun Sen (center R) and CPP Honorary President and President of the National Assembly Heng Samrin (center L) arrive before a ceremony at the party headquarters to mark the 38th anniversary of the toppling of Pol Pot's Khmer Rouge regime in Phnom Penh, January 7, 2017. (Photo by Samrang Pring/Reuters)

Cambodia's dancers perform during a ceremony at the headquarters of the Cambodian People's Party (CPP) to mark the 38th anniversary of the toppling of Pol Pot's Khmer Rouge regime in Phnom Penh, January 7, 2017. (Photo by Samrang Pring/Reuters)

Women pray during the Vigil mass at the Russian Orthodox church Saint Serge in Paris, January 6, 2017 on the eve of Orthodox Christmas Day, which is celebrated on January 7. (Photo by Philippe Wojazer/Reuters)

Barefoot devotees parade with replica of a Black Nazarene two days before the annual procession of the Black Nazarene in metro Manila, Philippines January 7, 2017. (Photo by Romeo Ranoco/Reuters)

A protester shouts in front of police during a rally against overhaul of the military and civil service pension funds in Taichung, Taiwan January 7, 2017. (Photo by Tyrone Siu/Reuters)

Protesters clash with police when they try to escort a lorry going through the police line during a rally against overhaul of the military and civil service pension funds in Taichung, Taiwan January 7, 2017. (Photo by Tyrone Siu/Reuters)

Participants march on the street during “Alilo”, a religious procession to celebrate Christmas in Tbilisi, Georgia, January 7, 2017. (Photo by David Mdzinarishvili/Reuters)

A man takes a dip in icy waters as the temperature dropped to around minus 26 degrees Celsius (minus 14.8 degrees Fahrenheit) in Minsk, Belarus January 7, 2017. (Photo by Vasily Fedosenko/Reuters)

An ultra-right-wing group gathers with a placard against mosques near the Cologne Cathedral (rear) during a demonstration against a gathering of ultra-right-wing groups to mark one year since hundreds of women were assaulted on New Year's Eve in Cologne, Germany January 7, 2017. (Photo by Wolfgang Rattay/Reuters)

A protester fires a homemade mortar in front of a banner that reads “No to Canal” during a protest march against the construction of the Interoceanic Grand Canal, in Ometepe Island, Nicaragua January 7,2017. (Photo by Oswaldo Rivas/Reuters)

A boy rides a bull in Altagracia town, Nicaragua January 7, 2017. (Photo by Oswaldo Rivas/Reuters)

A woman walks past an image of late Venezuela's president Hugo Chavez in Altagracia town, Nicaragua January 7, 2017. (Photo by Oswaldo Rivas/Reuters)

Polish soccer fans light flares as they gather on their annual pilgrimage to the Jasna Gora sanctuary in Czestochowa, Poland January 7, 2017. (Photo by Lukasz Kolewinski/Reuters/Agencja Gazeta)

Drummers beat their drums during the swearing-in of the Ghanian President Nana Akufo-Addo at the Independence square in Accra, Ghana January 7, 2017. (Photo by Luc Gnago/Reuters)

Supporters of Ghana's President Nana Akufo-Addo of the New Patriotic Party (NPP) dance during his swearing-in in Accra, Ghana January 7, 2017. (Photo by Luc Gnago/Reuters)

Ghana's President elect Nana Akufo-Addo speaks during his swearing-in ceremony at Independence Square in Accra, Ghana January 7, 2017. (Photo by Luc Gnago/Reuters)

A supporter of Ghana's President Nana Akufo-Addo of the New Patriotic Party (NPP) dances during his swearing-in in Accra, Ghana January 7, 2017. (Photo by Luc Gnago/Reuters)

A supporter of Ghana's President Nana Akufo-Addo with face paint looks on during the inauguration of the president at the Independence Square in Accra, Ghana January 7, 2017. (Photo by Luc Gnago/Reuters)

Marine One blows up a cloud of snow as it lands on the South Lawn of the White House in Washington, U.S., January 7, 2017. (Photo by Joshua Roberts/Reuters)

A man holds his child as Marine One blows up a cloud of snow as U.S. President Barack Obama departs the White House in Washington, U.S., January 7, 2017. (Photo by Joshua Roberts/Reuters)

Jubilee Martens, 7, roasts marshmallows over a campfire as others skate on the frozen Trout Lake during a spell of cold weather in Vancouver, British Columbia, Canada January 7, 2017. (Photo by Chris Helgren/Reuters)

Labourers warm themselves up by a bonfire on a road at a market on a foggy morning on the outskirts of Agartala, January 6, 2017. (Photo by Jayanta Dey/Reuters)

North Korean media take video footage and photos as Choe Ryong Hae, (unseen in photo) vice chairman of North Korea's State Affairs Commission, makes his way to the departure gates at the Pyongyang Airport after inspecting honor guards on Friday, January 6, 2017, in Pyongyang, North Korea. Hae is heading to Nicaragua to attend the inauguration of their newly elected President Daniel Ortega. (Photo by Wong Maye-E/AP Photo)

An image grab taken from an AFPTV video released on January 7, 2017 shows people gathering amidst the debris at the site of a car bomb attack in the rebel-held town of Azaz in northern Syria. According to the Syrian Observatory for Human Rights, at least 43 people were killed and dozens injured in the blast that ripped through the town near the Turkish border. (Photo by AFP Photo/Stringer)

An unidentified mother of the 304 victims of sunken ferry Sewol in 2014 places a light stick on a life vest symbolizing them before a candle light vigil calling for impeached President Park Geun-hye to step down in Seoul, South Korea, Saturday, January 7, 2017. Prosecuting lawmakers accused Park of “broadly and gravely” violating the constitution as the Constitutional Court began hearing oral arguments Thursday in her impeachment trial. (Photo by Ahn Young-joon/AP Photo)

People attend a protest demanding South Korean President Park Geun-hye's resignation in Seoul, South Korea, January 7, 2017. (Photo by Kim Hong-Ji/Reuters)

South Korean women wearing traditional dress pay theirs respects to a “comfort-woman” statue set up in front of the Japanese consulate in Busan, South Korea, Friday, January 6, 2017. Japan announced Friday that it would recall its ambassador to South Korea and suspend economic talks in response to the placing of a “comfort-woman” statue representing wartime s*x slaves in front of its consulate in the Korean port city of Busan. (Photo by Kim Sun-ho/Yonhap via AP Photo)

A Filipino Catholic devotee raises her hands during a procession ahead of the Black Nazarene feast day celebrations in Manila, Philippines, 07 January 2017. Philippine security forces are on high alert for possible terror attacks during the upcoming Black Nazarene feast day and procession on 09 January in Quiapo, Manila. Police officers, military soldiers and traffic officers will be deployed in key areas of the feast day to ensure the safety of devotees, which are expected to number in the millions. (Photo by Mark R. Cristino/EPA)

Kuwaitis play in front of kites at for Kuwaiti al-Farsi Kites team, Kuwaiti desert, 50 kilometers south of Kuwait City, 06 January 2017 (Issued 07 January 2017). (Photo by Raed Qutena/EPA)